/**
  * Copyright 2015 Ram Sriharsha
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

package magellan

import magellan.catalyst.{RangeQueryRewrite, SpatialJoin}
import org.apache.spark.sql.SparkSession

object Utils {

  def injectRules(session: SparkSession): Unit = {
    if (!session.experimental.extraOptimizations.exists(_.isInstanceOf[SpatialJoin])) {
      session.experimental.extraOptimizations ++= (Seq(SpatialJoin(session), RangeQueryRewrite(session)))
    }
  }

}
